GULCAN, N. .; GURSOY, S. .; CELIK, I. . Return Volatility Spread in Commodity Volatility Indices: Spot and Future Market Research . The Economics and Finance Letters, [S. l.], v. 9, n. 2, p. 157–169, 2022. DOI: 10.18488/29.v9i2.3071. Disponível em: https://archive.conscientiabeam.com/index.php/29/article/view/3071. Acesso em: 19 may. 2024.